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Microcontrollers and Processors / Microcontrollers / ATMEGA644-20AUR
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ATMEGA644-20AUR by:

IC MCU 8BIT 64KB FLASH 44TQFP

Part Details for ATMEGA644-20AUR by Microchip Technology Inc

Overview of ATMEGA644-20AUR by Microchip Technology Inc

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Applications Consumer Electronics Internet of Things (IoT) Industrial Automation Smart Cities

Price & Stock for ATMEGA644-20AUR

Part # Distributor Description Stock Price Buy
DISTI # 68T3095
Newark 20Mhz, Tqfp, Ind Temp, Green, 5V, T&r 44 Tqfp 10X10X1Mm T/R Rohs Compliant: Yes |Microchip ATMEGA644-20AUR RoHS: Compliant Min Qty: 2000 Package Multiple: 1 Date Code: 0 Container: Reel 0
  • 100 $5.9900
$5.9900 Buy Now
DISTI # ATMEGA644-20AURCT-ND
DigiKey IC MCU 8BIT 64KB FLASH 44TQFP Min Qty: 1 Lead time: 8 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 5091
In Stock
  • 1 $7.0200
  • 25 $6.4300
  • 100 $5.8100
  • 2,000 $5.8100
$5.8100 / $7.0200 Buy Now
DISTI # ATMEGA644-20AUR
Avnet Americas MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP T/R - Tape and Reel (Alt: ATMEGA644-20AUR) RoHS: Not Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 8 Weeks, 0 Days Container: Reel 0
  • 1 $7.0200
  • 25 $6.4300
  • 100 $5.8100
$5.8100 / $7.0200 Buy Now
DISTI # 556-ATMEGA644-20AUR
Mouser Electronics 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND RoHS: Compliant 1694
  • 1 $7.0200
  • 25 $6.4300
  • 100 $5.8100
$5.8100 / $7.0200 Buy Now
DISTI # ATMEGA644-20AUR
Microchip Technology Inc 20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R, Projected EOL: 2039-11-29 RoHS: Compliant pbFree: Yes 0

Alternates Available
  • 1 $7.0200
  • 25 $6.4300
  • 100 $5.8100
  • 1,000 $5.3600
  • 5,000 $5.0800
$5.0800 / $7.0200 Buy Now
Future Electronics   RoHS: Compliant pbFree: Yes Min Qty: 2000 Package Multiple: 2000 0
  • 2,000 $6.1900
$6.1900 Buy Now
Onlinecomponents.com MCU - 8-bit AVR RISC - 64KB Flash - 3.3V/5V - 44-Pin TQFP - Tape&Reel RoHS: Compliant 0
  • 500 $16.0600
  • 1,000 $8.4700
  • 1,500 $5.8300
  • 2,000 $5.7100
$5.7100 / $16.0600 Buy Now
NAC 20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R - Package: 44 TQFP 10x10x1mm T/R RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 0
  • 1 $7.2800
  • 100 $6.6000
  • 500 $6.1900
  • 1,000 $6.0400
$6.0400 / $7.2800 Buy Now
DISTI # ATMEGA644-20AUR
Avnet Silica MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP T/R (Alt: ATMEGA644-20AUR) RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 10 Weeks, 0 Days Silica - 0
Buy Now
DISTI # ATMEGA644-20AUR
EBV Elektronik MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP T/R (Alt: ATMEGA644-20AUR) RoHS: Compliant Min Qty: 2000 Package Multiple: 2000 Lead time: 9 Weeks, 0 Days EBV - 0
Buy Now
Master Electronics MCU - 8-bit AVR RISC - 64KB Flash - 3.3V/5V - 44-Pin TQFP - Tape&Reel RoHS: Compliant 0
  • 500 $16.0600
  • 1,000 $8.4700
  • 1,500 $5.8300
  • 2,000 $5.7100
$5.7100 / $16.0600 Buy Now
Win Source Electronics IC MCU 8BIT 64KB FLASH 44TQFP 13131
  • 9 $5.6880
  • 22 $4.6670
  • 34 $4.5210
  • 46 $4.3750
  • 60 $4.2300
  • 80 $3.7920
$3.7920 / $5.6880 Buy Now

Part Details for ATMEGA644-20AUR

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ATMEGA644-20AUR Part Data Attributes

Parametric Data
ATMEGA644-20AUR Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
ATMEGA644-20AUR Microchip Technology Inc IC MCU 8BIT 64KB FLASH 44TQFP
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Not Recommended
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Package Description 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.31.00.01
Factory Lead Time 8 Weeks
Samacsys Manufacturer Microchip
Has ADC YES
Additional Feature ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ
Address Bus Width
Bit Size 8
Boundary Scan YES
CPU Family AVR RISC
Clock Frequency-Max 16 MHz
DAC Channels NO
DMA Channels NO
External Data Bus Width
Format FIXED POINT
Integrated Cache NO
JESD-30 Code S-PQFP-G44
JESD-609 Code e3
Length 10 mm
Low Power Mode YES
Moisture Sensitivity Level 3
Number of External Interrupts 35
Number of I/O Lines 32
Number of Serial I/Os 1
Number of Terminals 44
Number of Timers 3
On Chip Data RAM Width 8
On Chip Program ROM Width 8
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
PWM Channels YES
Package Body Material PLASTIC/EPOXY
Package Code TQFP
Package Equivalence Code TQFP44,.39SQ,31
Package Shape SQUARE
Package Style FLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
RAM (bytes) 4096
ROM (words) 65536
ROM Programmability FLASH
Seated Height-Max 1.2 mm
Speed 20 MHz
Supply Current-Max 9 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 5 V
Supply Voltage-Nom 5 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Pitch 0.8 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 40
Width 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC

Alternate Parts for ATMEGA644-20AUR

This table gives cross-reference parts and alternative options found for ATMEGA644-20AUR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of ATMEGA644-20AUR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
ATMEGA644-20AUR RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644-20AUR
ATMEGA644-20AU RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM THICKNESS, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644-20AU
Part Number Description Manufacturer Compare
ATMEGA644P-20AUR RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644P-20AUR
ATMEGA644P-A15AZ RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644P-A15AZ
ATMEGA644PA-AU RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644PA-AU
ATMEGA644P-20AU RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644P-20AU
ATMEGA644-20AU RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM THICKNESS, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644-20AU
ATMEGA644-20AUR RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ACB, TQFP-44 Atmel Corporation ATMEGA644-20AUR vs ATMEGA644-20AUR

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